;;; mml.el --- A package for parsing and validating MML documents
-;; Copyright (C) 1998,99 Free Software Foundation, Inc.
+;; Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; This file is part of GNU Emacs.
(require 'mm-bodies)
(require 'mm-encode)
(require 'mm-decode)
+(require 'mml-sec)
+(eval-when-compile (require 'cl))
(eval-and-compile
- (autoload 'message-make-message-id "message"))
-
-(defvar mml-generate-multipart-alist
- '(("signed" . rfc2015-generate-signed-multipart)
- ("encrypted" . rfc2015-generate-encrypted-multipart))
+ (autoload 'message-make-message-id "message")
+ (autoload 'gnus-setup-posting-charset "gnus-msg")
+ (autoload 'gnus-add-minor-mode "gnus-ems")
+ (autoload 'message-fetch-field "message")
+ (autoload 'message-posting-charset "message"))
+
+(defcustom mml-content-type-parameters
+ '(name access-type expiration size permission format)
+ "*A list of acceptable parameters in MML tag.
+These parameters are generated in Content-Type header if exists."
+ :type '(repeat (symbol :tag "Parameter"))
+ :group 'message)
+
+(defcustom mml-content-disposition-parameters
+ '(filename creation-date modification-date read-date)
+ "*A list of acceptable parameters in MML tag.
+These parameters are generated in Content-Disposition header if exists."
+ :type '(repeat (symbol :tag "Parameter"))
+ :group 'message)
+
+(defvar mml-tweak-type-alist nil
+ "A list of (TYPE . FUNCTION) for tweaking MML parts.
+TYPE is a string containing a regexp to match the MIME type. FUNCTION
+is a Lisp function which is called with the MML handle to tweak the
+part. This variable is used only when no TWEAK parameter exists in
+the MML handle.")
+
+(defvar mml-tweak-function-alist nil
+ "A list of (NAME . FUNCTION) for tweaking MML parts.
+NAME is a string containing the name of the TWEAK parameter in the MML
+handle. FUNCTION is a Lisp function which is called with the MML
+handle to tweak the part.")
+
+(defvar mml-generate-multipart-alist nil
"*Alist of multipart generation functions.
-
Each entry has the form (NAME . FUNCTION), where
-NAME: is a string containing the name of the part (without the
+NAME is a string containing the name of the part (without the
leading \"/multipart/\"),
-FUNCTION: is a Lisp function which is called to generate the part.
+FUNCTION is a Lisp function which is called to generate the part.
The Lisp function has to supply the appropriate MIME headers and the
contents of this part.")
with unknown encoding; `multipart': always send messages with more than
one charsets.")
+(defvar mml-generate-default-type "text/plain")
+
+(defvar mml-buffer-list nil)
+
+(defun mml-generate-new-buffer (name)
+ (let ((buf (generate-new-buffer name)))
+ (push buf mml-buffer-list)
+ buf))
+
+(defun mml-destroy-buffers ()
+ (let (kill-buffer-hook)
+ (mapcar 'kill-buffer mml-buffer-list)
+ (setq mml-buffer-list nil)))
+
(defun mml-parse ()
"Parse the current buffer as an MML document."
- (goto-char (point-min))
- (let ((table (syntax-table)))
- (unwind-protect
- (progn
- (set-syntax-table mml-syntax-table)
- (mml-parse-1))
- (set-syntax-table table))))
+ (save-excursion
+ (goto-char (point-min))
+ (let ((table (syntax-table)))
+ (unwind-protect
+ (progn
+ (set-syntax-table mml-syntax-table)
+ (mml-parse-1))
+ (set-syntax-table table)))))
(defun mml-parse-1 ()
"Parse the current buffer as an MML document."
- (let (struct tag point contents charsets warn use-ascii)
+ (let (struct tag point contents charsets warn use-ascii no-markup-p raw)
(while (and (not (eobp))
(not (looking-at "<#/multipart")))
(cond
(push (nconc (mml-read-tag) (list (cons 'contents (mml-read-part))))
struct))
(t
- (if (looking-at "<#part")
- (setq tag (mml-read-tag))
+ (if (or (looking-at "<#part") (looking-at "<#mml"))
+ (setq tag (mml-read-tag)
+ no-markup-p nil
+ warn nil)
(setq tag (list 'part '(type . "text/plain"))
+ no-markup-p t
warn t))
- (setq point (point)
- contents (mml-read-part)
- charsets (mm-find-mime-charset-region point (point)))
- (when (memq nil charsets)
+ (setq raw (cdr (assq 'raw tag))
+ point (point)
+ contents (mml-read-part (eq 'mml (car tag)))
+ charsets (cond
+ (raw nil)
+ ((assq 'charset tag)
+ (list
+ (intern (downcase (cdr (assq 'charset tag))))))
+ (t
+ (mm-find-mime-charset-region point (point)
+ mm-hack-charsets))))
+ (when (and (not raw) (memq nil charsets))
(if (or (memq 'unknown-encoding mml-confirmation-set)
- (y-or-n-p
- "Warning: You message contains characters with unknown encoding. Really send?"))
- (if (setq use-ascii
+ (message-options-get 'unknown-encoding)
+ (and (y-or-n-p "\
+Message contains characters with unknown encoding. Really send?")
+ (message-options-set 'unknown-encoding t)))
+ (if (setq use-ascii
(or (memq 'use-ascii mml-confirmation-set)
- (y-or-n-p "Use ASCII as charset?")))
+ (message-options-get 'use-ascii)
+ (and (y-or-n-p "Use ASCII as charset?")
+ (message-options-set 'use-ascii t))))
(setq charsets (delq nil charsets))
(setq warn nil))
(error "Edit your message to remove those characters")))
- (if (< (length charsets) 2)
- (push (nconc tag (list (cons 'contents contents)))
- struct)
+ (if (or raw
+ (eq 'mml (car tag))
+ (< (length charsets) 2))
+ (if (or (not no-markup-p)
+ (string-match "[^ \t\r\n]" contents))
+ ;; Don't create blank parts.
+ (push (nconc tag (list (cons 'contents contents)))
+ struct))
(let ((nstruct (mml-parse-singlepart-with-multiple-charsets
tag point (point) use-ascii)))
(when (and warn
(not (memq 'multipart mml-confirmation-set))
- (not
- (y-or-n-p
- (format
- "Warning: Your message contains %d parts. Really send? "
- (length nstruct)))))
+ (not (message-options-get 'multipart))
+ (not (and (y-or-n-p (format "\
+A message part needs to be split into %d charset parts. Really send? "
+ (length nstruct)))
+ (message-options-set 'multipart t))))
(error "Edit your message to use only one charset"))
(setq struct (nconc nstruct struct)))))))
(unless (eobp)
(forward-line 1))
(nreverse struct)))
-(defun mml-parse-singlepart-with-multiple-charsets
+(defun mml-parse-singlepart-with-multiple-charsets
(orig-tag beg end &optional use-ascii)
(save-excursion
- (narrow-to-region beg end)
- (goto-char (point-min))
- (let ((current (or (mm-mime-charset (mm-charset-after))
- (and use-ascii 'us-ascii)))
- charset struct space newline paragraph)
- (while (not (eobp))
- (cond
- ;; The charset remains the same.
- ((or (eq (setq charset (mm-mime-charset (mm-charset-after)))
- 'us-ascii)
- (and use-ascii (not charset))
- (eq charset current)))
- ;; The initial charset was ascii.
- ((eq current 'us-ascii)
- (setq current charset
- space nil
- newline nil
- paragraph nil))
- ;; We have a change in charsets.
- (t
- (push (append
- orig-tag
- (list (cons 'contents
- (buffer-substring-no-properties
- beg (or paragraph newline space (point))))))
- struct)
- (setq beg (or paragraph newline space (point))
- current charset
- space nil
- newline nil
- paragraph nil)))
- ;; Compute places where it might be nice to break the part.
- (cond
- ((memq (following-char) '(? ?\t))
- (setq space (1+ (point))))
- ((eq (following-char) ?\n)
- (setq newline (1+ (point))))
- ((and (eq (following-char) ?\n)
- (not (bobp))
- (eq (char-after (1- (point))) ?\n))
- (setq paragraph (point))))
- (forward-char 1))
- ;; Do the final part.
- (unless (= beg (point))
- (push (append orig-tag
- (list (cons 'contents
- (buffer-substring-no-properties
- beg (point)))))
- struct))
- struct)))
+ (save-restriction
+ (narrow-to-region beg end)
+ (goto-char (point-min))
+ (let ((current (or (mm-mime-charset (mm-charset-after))
+ (and use-ascii 'us-ascii)))
+ charset struct space newline paragraph)
+ (while (not (eobp))
+ (setq charset (mm-mime-charset (mm-charset-after)))
+ (cond
+ ;; The charset remains the same.
+ ((eq charset 'us-ascii))
+ ((or (and use-ascii (not charset))
+ (eq charset current))
+ (setq space nil
+ newline nil
+ paragraph nil))
+ ;; The initial charset was ascii.
+ ((eq current 'us-ascii)
+ (setq current charset
+ space nil
+ newline nil
+ paragraph nil))
+ ;; We have a change in charsets.
+ (t
+ (push (append
+ orig-tag
+ (list (cons 'contents
+ (buffer-substring-no-properties
+ beg (or paragraph newline space (point))))))
+ struct)
+ (setq beg (or paragraph newline space (point))
+ current charset
+ space nil
+ newline nil
+ paragraph nil)))
+ ;; Compute places where it might be nice to break the part.
+ (cond
+ ((memq (following-char) '(? ?\t))
+ (setq space (1+ (point))))
+ ((and (eq (following-char) ?\n)
+ (not (bobp))
+ (eq (char-after (1- (point))) ?\n))
+ (setq paragraph (point)))
+ ((eq (following-char) ?\n)
+ (setq newline (1+ (point)))))
+ (forward-char 1))
+ ;; Do the final part.
+ (unless (= beg (point))
+ (push (append orig-tag
+ (list (cons 'contents
+ (buffer-substring-no-properties
+ beg (point)))))
+ struct))
+ struct))))
(defun mml-read-tag ()
"Read a tag and return the contents."
- (let (contents name elem val)
+ (let ((orig-point (point))
+ contents name elem val)
(forward-char 2)
(setq name (buffer-substring-no-properties
(point) (progn (forward-sexp 1) (point))))
(skip-chars-forward " \t\n")
- (while (not (looking-at ">"))
+ (while (not (looking-at ">[ \t]*\n?"))
(setq elem (buffer-substring-no-properties
(point) (progn (forward-sexp 1) (point))))
(skip-chars-forward "= \t\n")
(setq val (match-string 1 val)))
(push (cons (intern elem) val) contents)
(skip-chars-forward " \t\n"))
- (forward-char 1)
- (skip-chars-forward " \t\n")
+ (goto-char (match-end 0))
+ ;; Don't skip the leading space.
+ ;;(skip-chars-forward " \t\n")
+ ;; Put the tag location into the returned contents
+ (setq contents (append (list (cons 'tag-location orig-point)) contents))
(cons (intern name) (nreverse contents))))
-(defun mml-read-part ()
- "Return the buffer up till the next part, multipart or closing part or multipart."
- (let ((beg (point)))
- ;; If the tag ended at the end of the line, we go to the next line.
+(defun mml-read-part (&optional mml)
+ "Return the buffer up till the next part, multipart or closing part or multipart.
+If MML is non-nil, return the buffer up till the correspondent mml tag."
+ (let ((beg (point)) (count 1))
+ ;; If the tag ended at the end of the line, we go to the next line.
(when (looking-at "[ \t]*\n")
(forward-line 1))
- (if (re-search-forward
- "<#\\(/\\)?\\(multipart\\|part\\|external\\)." nil t)
- (prog1
- (buffer-substring-no-properties beg (match-beginning 0))
- (if (or (not (match-beginning 1))
- (equal (match-string 2) "multipart"))
- (goto-char (match-beginning 0))
- (when (looking-at "[ \t]*\n")
- (forward-line 1))))
- (buffer-substring-no-properties beg (goto-char (point-max))))))
+ (if mml
+ (progn
+ (while (and (> count 0) (not (eobp)))
+ (if (re-search-forward "<#\\(/\\)?mml." nil t)
+ (setq count (+ count (if (match-beginning 1) -1 1)))
+ (goto-char (point-max))))
+ (buffer-substring-no-properties beg (if (> count 0)
+ (point)
+ (match-beginning 0))))
+ (if (re-search-forward
+ "<#\\(/\\)?\\(multipart\\|part\\|external\\|mml\\)." nil t)
+ (prog1
+ (buffer-substring-no-properties beg (match-beginning 0))
+ (if (or (not (match-beginning 1))
+ (equal (match-string 2) "multipart"))
+ (goto-char (match-beginning 0))
+ (when (looking-at "[ \t]*\n")
+ (forward-line 1))))
+ (buffer-substring-no-properties beg (goto-char (point-max)))))))
(defvar mml-boundary nil)
(defvar mml-base-boundary "-=-=")
(defun mml-generate-mime ()
"Generate a MIME message based on the current MML document."
(let ((cont (mml-parse))
- (mml-multipart-number 0))
+ (mml-multipart-number mml-multipart-number))
(if (not cont)
nil
(with-temp-buffer
(buffer-string)))))
(defun mml-generate-mime-1 (cont)
- (cond
- ((eq (car cont) 'part)
- (let (coded encoding charset filename type)
- (setq type (or (cdr (assq 'type cont)) "text/plain"))
- (if (member (car (split-string type "/")) '("text" "message"))
- (with-temp-buffer
- (cond
- ((cdr (assq 'buffer cont))
- (insert-buffer-substring (cdr (assq 'buffer cont))))
- ((and (setq filename (cdr (assq 'filename cont)))
- (not (equal (cdr (assq 'nofile cont)) "yes")))
- (mm-insert-file-contents filename))
- (t
- (save-restriction
- (narrow-to-region (point) (point))
- (insert (cdr (assq 'contents cont)))
- ;; Remove quotes from quoted tags.
- (goto-char (point-min))
- (while (re-search-forward
- "<#!+/?\\(part\\|multipart\\|external\\)" nil t)
- (delete-region (+ (match-beginning 0) 2)
- (+ (match-beginning 0) 3))))))
- (setq charset (mm-encode-body))
- (setq encoding (mm-body-encoding charset
- (cdr (assq 'encoding cont))))
- (setq coded (buffer-string)))
- (mm-with-unibyte-buffer
- (cond
- ((cdr (assq 'buffer cont))
- (insert-buffer-substring (cdr (assq 'buffer cont))))
- ((and (setq filename (cdr (assq 'filename cont)))
- (not (equal (cdr (assq 'nofile cont)) "yes")))
- (let ((coding-system-for-read mm-binary-coding-system))
- (mm-insert-file-contents filename nil nil nil nil t)))
- (t
- (insert (cdr (assq 'contents cont)))))
- (setq encoding (mm-encode-buffer type)
- coded (buffer-string))))
- (mml-insert-mime-headers cont type charset encoding)
- (insert "\n")
- (insert coded)))
- ((eq (car cont) 'external)
- (insert "Content-Type: message/external-body")
- (let ((parameters (mml-parameter-string
- cont '(expiration size permission)))
- (name (cdr (assq 'name cont))))
- (when name
- (setq name (mml-parse-file-name name))
- (if (stringp name)
+ (let ((mm-use-ultra-safe-encoding
+ (or mm-use-ultra-safe-encoding (assq 'sign cont))))
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (mml-tweak-part cont)
+ (cond
+ ((or (eq (car cont) 'part) (eq (car cont) 'mml))
+ (let ((raw (cdr (assq 'raw cont)))
+ coded encoding charset filename type)
+ (setq type (or (cdr (assq 'type cont)) "text/plain"))
+ (if (and (not raw)
+ (member (car (split-string type "/")) '("text" "message")))
+ (progn
+ (with-temp-buffer
+ (setq charset (mm-charset-to-coding-system
+ (cdr (assq 'charset cont))))
+ (when (eq charset 'ascii)
+ (setq charset nil))
+ (cond
+ ((cdr (assq 'buffer cont))
+ (insert-buffer-substring (cdr (assq 'buffer cont))))
+ ((and (setq filename (cdr (assq 'filename cont)))
+ (not (equal (cdr (assq 'nofile cont)) "yes")))
+ (let ((coding-system-for-read charset))
+ (mm-insert-file-contents filename)))
+ ((eq 'mml (car cont))
+ (insert (cdr (assq 'contents cont))))
+ (t
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (insert (cdr (assq 'contents cont)))
+ ;; Remove quotes from quoted tags.
+ (goto-char (point-min))
+ (while (re-search-forward
+ "<#!+/?\\(part\\|multipart\\|external\\|mml\\)"
+ nil t)
+ (delete-region (+ (match-beginning 0) 2)
+ (+ (match-beginning 0) 3))))))
+ (cond
+ ((eq (car cont) 'mml)
+ (let ((mml-boundary (funcall mml-boundary-function
+ (incf mml-multipart-number)))
+ (mml-generate-default-type "text/plain"))
+ (mml-to-mime))
+ (let ((mm-7bit-chars (concat mm-7bit-chars "\x1b")))
+ ;; ignore 0x1b, it is part of iso-2022-jp
+ (setq encoding (mm-body-7-or-8))))
+ ((string= (car (split-string type "/")) "message")
+ (let ((mm-7bit-chars (concat mm-7bit-chars "\x1b")))
+ ;; ignore 0x1b, it is part of iso-2022-jp
+ (setq encoding (mm-body-7-or-8))))
+ (t
+ (setq charset (mm-encode-body charset))
+ (setq encoding (mm-body-encoding
+ charset (cdr (assq 'encoding cont))))))
+ (setq coded (buffer-string)))
+ (mml-insert-mime-headers cont type charset encoding)
+ (insert "\n")
+ (insert coded))
+ (mm-with-unibyte-buffer
+ (cond
+ ((cdr (assq 'buffer cont))
+ (insert-buffer-substring (cdr (assq 'buffer cont))))
+ ((and (setq filename (cdr (assq 'filename cont)))
+ (not (equal (cdr (assq 'nofile cont)) "yes")))
+ (let ((coding-system-for-read mm-binary-coding-system))
+ (mm-insert-file-contents filename nil nil nil nil t)))
+ (t
+ (insert (cdr (assq 'contents cont)))))
+ (setq encoding (mm-encode-buffer type)
+ coded (mm-string-as-multibyte (buffer-string))))
+ (mml-insert-mime-headers cont type charset encoding)
+ (insert "\n")
+ (mm-with-unibyte-current-buffer
+ (insert coded)))))
+ ((eq (car cont) 'external)
+ (insert "Content-Type: message/external-body")
+ (let ((parameters (mml-parameter-string
+ cont '(expiration size permission)))
+ (name (cdr (assq 'name cont)))
+ (url (cdr (assq 'url cont))))
+ (when name
+ (setq name (mml-parse-file-name name))
+ (if (stringp name)
+ (mml-insert-parameter
+ (mail-header-encode-parameter "name" name)
+ "access-type=local-file")
+ (mml-insert-parameter
+ (mail-header-encode-parameter
+ "name" (file-name-nondirectory (nth 2 name)))
+ (mail-header-encode-parameter "site" (nth 1 name))
+ (mail-header-encode-parameter
+ "directory" (file-name-directory (nth 2 name))))
+ (mml-insert-parameter
+ (concat "access-type="
+ (if (member (nth 0 name) '("ftp@" "anonymous@"))
+ "anon-ftp"
+ "ftp")))))
+ (when url
(mml-insert-parameter
- (mail-header-encode-parameter "name" name)
- "access-type=local-file")
- (mml-insert-parameter
- (mail-header-encode-parameter
- "name" (file-name-nondirectory (nth 2 name)))
- (mail-header-encode-parameter "site" (nth 1 name))
- (mail-header-encode-parameter
- "directory" (file-name-directory (nth 2 name))))
- (mml-insert-parameter
- (concat "access-type="
- (if (member (nth 0 name) '("ftp@" "anonymous@"))
- "anon-ftp"
- "ftp")))))
- (when parameters
- (mml-insert-parameter-string
- cont '(expiration size permission))))
- (insert "\n\n")
- (insert "Content-Type: " (cdr (assq 'type cont)) "\n")
- (insert "Content-ID: " (message-make-message-id) "\n")
- (insert "Content-Transfer-Encoding: "
- (or (cdr (assq 'encoding cont)) "binary"))
- (insert "\n\n")
- (insert (or (cdr (assq 'contents cont))))
- (insert "\n"))
- ((eq (car cont) 'multipart)
- (let* ((type (or (cdr (assq 'type cont)) "mixed"))
- (handler (assoc type mml-generate-multipart-alist)))
- (if handler
- (funcall (cdr handler) cont)
- ;; No specific handler. Use default one.
- (let ((mml-boundary (mml-compute-boundary cont)))
- (insert (format "Content-Type: multipart/%s; boundary=\"%s\"\n"
- type mml-boundary))
- (setq cont (cddr cont))
- (while cont
- (insert "\n--" mml-boundary "\n")
- (mml-generate-mime-1 (pop cont)))
- (insert "\n--" mml-boundary "--\n")))))
- (t
- (error "Invalid element: %S" cont))))
+ (mail-header-encode-parameter "url" url)
+ "access-type=url"))
+ (when parameters
+ (mml-insert-parameter-string
+ cont '(expiration size permission))))
+ (insert "\n\n")
+ (insert "Content-Type: " (cdr (assq 'type cont)) "\n")
+ (insert "Content-ID: " (message-make-message-id) "\n")
+ (insert "Content-Transfer-Encoding: "
+ (or (cdr (assq 'encoding cont)) "binary"))
+ (insert "\n\n")
+ (insert (or (cdr (assq 'contents cont))))
+ (insert "\n"))
+ ((eq (car cont) 'multipart)
+ (let* ((type (or (cdr (assq 'type cont)) "mixed"))
+ (mml-generate-default-type (if (equal type "digest")
+ "message/rfc822"
+ "text/plain"))
+ (handler (assoc type mml-generate-multipart-alist)))
+ (if handler
+ (funcall (cdr handler) cont)
+ ;; No specific handler. Use default one.
+ (let ((mml-boundary (mml-compute-boundary cont)))
+ (insert (format "Content-Type: multipart/%s; boundary=\"%s\"\n"
+ type mml-boundary))
+ (let ((cont cont) part)
+ (while (setq part (pop cont))
+ ;; Skip `multipart' and attributes.
+ (when (and (consp part) (consp (cdr part)))
+ (insert "\n--" mml-boundary "\n")
+ (mml-generate-mime-1 part))))
+ (insert "\n--" mml-boundary "--\n")))))
+ (t
+ (error "Invalid element: %S" cont)))
+ (let ((item (assoc (cdr (assq 'sign cont)) mml-sign-alist))
+ sender recipients)
+ (when item
+ (if (setq sender (cdr (assq 'sender cont)))
+ (message-options-set 'message-sender sender))
+ (if (setq recipients (cdr (assq 'recipients cont)))
+ (message-options-set 'message-sender recipients))
+ (funcall (nth 1 item) cont)))
+ (let ((item (assoc (cdr (assq 'encrypt cont)) mml-encrypt-alist))
+ sender recipients)
+ (when item
+ (if (setq sender (cdr (assq 'sender cont)))
+ (message-options-set 'message-sender sender))
+ (if (setq recipients (cdr (assq 'recipients cont)))
+ (message-options-set 'message-sender recipients))
+ (funcall (nth 1 item) cont))))))
(defun mml-compute-boundary (cont)
"Return a unique boundary that does not exist in CONT."
"")
mml-base-boundary))
-(defun mml-make-string (num string)
- (let ((out ""))
- (while (not (zerop (decf num)))
- (setq out (concat out string)))
- out))
-
(defun mml-insert-mime-headers (cont type charset encoding)
(let (parameters disposition description)
(setq parameters
(mml-parameter-string
- cont '(name access-type expiration size permission)))
+ cont mml-content-type-parameters))
(when (or charset
parameters
- (not (equal type "text/plain")))
+ (not (equal type mml-generate-default-type)))
(when (consp charset)
(error
"Can't encode a part with several charsets."))
"charset" (symbol-name charset))))
(when parameters
(mml-insert-parameter-string
- cont '(name access-type expiration size permission)))
+ cont mml-content-type-parameters))
(insert "\n"))
(setq parameters
(mml-parameter-string
- cont '(filename creation-date modification-date read-date)))
+ cont mml-content-disposition-parameters))
(when (or (setq disposition (cdr (assq 'disposition cont)))
parameters)
(insert "Content-Disposition: " (or disposition "inline"))
(when parameters
(mml-insert-parameter-string
- cont '(filename creation-date modification-date read-date)))
+ cont mml-content-disposition-parameters))
(insert "\n"))
(unless (eq encoding '7bit)
(insert (format "Content-Transfer-Encoding: %s\n" encoding)))
(mail-header-encode-parameter
(symbol-name type) value))))))
-(defvar ange-ftp-path-format)
-(defvar efs-path-regexp)
+(eval-when-compile
+ (defvar ange-ftp-name-format)
+ (defvar efs-path-regexp))
(defun mml-parse-file-name (path)
(if (if (boundp 'efs-path-regexp)
(string-match efs-path-regexp path)
- (if (boundp 'ange-ftp-path-format)
- (string-match (car ange-ftp-path-format))))
+ (if (boundp 'ange-ftp-name-format)
+ (string-match (car ange-ftp-name-format) path)))
(list (match-string 1 path) (match-string 2 path)
(substring path (1+ (match-end 2))))
path))
;;; Transforming MIME to MML
;;;
-(defun mime-to-mml ()
- "Translate the current buffer (which should be a message) into MML."
+(defun mime-to-mml (&optional handles)
+ "Translate the current buffer (which should be a message) into MML.
+If HANDLES is non-nil, use it instead reparsing the buffer."
;; First decode the head.
(save-restriction
(message-narrow-to-head)
(mail-decode-encoded-word-region (point-min) (point-max)))
- (let ((handles (mm-dissect-buffer t)))
- (goto-char (point-min))
- (search-forward "\n\n" nil t)
- (delete-region (point) (point-max))
- (if (stringp (car handles))
- (mml-insert-mime handles)
- (mml-insert-mime handles t))
- (mm-destroy-parts handles)))
+ (unless handles
+ (setq handles (mm-dissect-buffer t)))
+ (goto-char (point-min))
+ (search-forward "\n\n" nil t)
+ (delete-region (point) (point-max))
+ (if (stringp (car handles))
+ (mml-insert-mime handles)
+ (mml-insert-mime handles t))
+ (mm-destroy-parts handles)
+ (save-restriction
+ (message-narrow-to-head)
+ ;; Remove them, they are confusing.
+ (message-remove-header "Content-Type")
+ (message-remove-header "MIME-Version")
+ (message-remove-header "Content-Disposition")
+ (message-remove-header "Content-Transfer-Encoding")))
(defun mml-to-mime ()
"Translate the current buffer from MML to MIME."
(message-encode-message-body)
(save-restriction
(message-narrow-to-headers-or-head)
- (mail-encode-encoded-word-buffer)))
+ (let ((mail-parse-charset message-default-charset))
+ (mail-encode-encoded-word-buffer))))
(defun mml-insert-mime (handle &optional no-markup)
- (let (textp buffer)
+ (let (textp buffer mmlp)
;; Determine type and stuff.
(unless (stringp (car handle))
- (unless (setq textp (equal (mm-handle-media-supertype handle)
- "text"))
+ (unless (setq textp (equal (mm-handle-media-supertype handle) "text"))
(save-excursion
- (set-buffer (setq buffer (generate-new-buffer " *mml*")))
- (mm-insert-part handle))))
- (unless no-markup
- (mml-insert-mml-markup handle buffer textp))
+ (set-buffer (setq buffer (mml-generate-new-buffer " *mml*")))
+ (mm-insert-part handle)
+ (if (setq mmlp (equal (mm-handle-media-type handle)
+ "message/rfc822"))
+ (mime-to-mml)))))
+ (if mmlp
+ (mml-insert-mml-markup handle nil t t)
+ (unless (and no-markup
+ (equal (mm-handle-media-type handle) "text/plain"))
+ (mml-insert-mml-markup handle buffer textp)))
(cond
+ (mmlp
+ (insert-buffer buffer)
+ (goto-char (point-max))
+ (insert "<#/mml>\n"))
((stringp (car handle))
(mapcar 'mml-insert-mime (cdr handle))
(insert "<#/multipart>\n"))
(textp
- (let ((text (mm-get-part handle))
- (charset (mail-content-type-get
+ (let ((charset (mail-content-type-get
(mm-handle-type handle) 'charset)))
- (insert (mm-decode-string text charset)))
+ (if (eq charset 'gnus-decoded)
+ (mm-insert-part handle)
+ (insert (mm-decode-string (mm-get-part handle) charset))))
(goto-char (point-max)))
(t
(insert "<#/part>\n")))))
-(defun mml-insert-mml-markup (handle &optional buffer nofile)
+(defun mml-insert-mml-markup (handle &optional buffer nofile mmlp)
"Take a MIME handle and insert an MML tag."
(if (stringp (car handle))
(insert "<#multipart type=" (mm-handle-media-subtype handle)
">\n")
- (insert "<#part type=" (mm-handle-media-type handle))
+ (if mmlp
+ (insert "<#mml type=" (mm-handle-media-type handle))
+ (insert "<#part type=" (mm-handle-media-type handle)))
(dolist (elem (append (cdr (mm-handle-type handle))
(cdr (mm-handle-disposition handle))))
- (insert " " (symbol-name (car elem)) "=\"" (cdr elem) "\""))
+ (unless (symbolp (cdr elem))
+ (insert " " (symbol-name (car elem)) "=\"" (cdr elem) "\"")))
(when (mm-handle-disposition handle)
(insert " disposition=" (car (mm-handle-disposition handle))))
(when buffer
;;;
(defvar mml-mode-map
- (let ((map (make-sparse-keymap))
+ (let ((sign (make-sparse-keymap))
+ (encrypt (make-sparse-keymap))
+ (map (make-sparse-keymap))
(main (make-sparse-keymap)))
+ (define-key sign "p" 'mml-secure-sign-pgpmime)
+ (define-key sign "o" 'mml-secure-sign-pgp)
+ (define-key sign "s" 'mml-secure-sign-smime)
+ (define-key encrypt "p" 'mml-secure-encrypt-pgpmime)
+ (define-key encrypt "o" 'mml-secure-encrypt-pgp)
+ (define-key encrypt "s" 'mml-secure-encrypt-smime)
(define-key map "f" 'mml-attach-file)
(define-key map "b" 'mml-attach-buffer)
(define-key map "e" 'mml-attach-external)
(define-key map "p" 'mml-insert-part)
(define-key map "v" 'mml-validate)
(define-key map "P" 'mml-preview)
- (define-key map "n" 'mml-narrow-to-part)
- (define-key main "\M-m" map)
+ (define-key map "s" sign)
+ (define-key map "c" encrypt)
+ ;;(define-key map "n" 'mml-narrow-to-part)
+ ;; `M-m' conflicts with `back-to-indentation'.
+ ;; (define-key main "\M-m" map)
+ (define-key main "\C-c\C-m" map)
main))
(easy-menu-define
- mml-menu mml-mode-map ""
- '("MML"
- ("Attach"
- ["File" mml-attach-file t]
- ["Buffer" mml-attach-buffer t]
- ["External" mml-attach-external t])
- ("Insert"
- ["Multipart" mml-insert-multipart t]
- ["Part" mml-insert-part t])
- ["Narrow" mml-narrow-to-part t]
- ["Quote" mml-quote-region t]
- ["Validate" mml-validate t]
- ["Preview" mml-preview t]))
+ mml-menu mml-mode-map ""
+ `("Attachments"
+ ["Attach File" mml-attach-file
+ ,@(if (featurep 'xemacs) '(t)
+ '(:help "Attach a file at point"))]
+ ["Attach Buffer" mml-attach-buffer t]
+ ["Attach External" mml-attach-external t]
+ ["Insert Part" mml-insert-part t]
+ ["Insert Multipart" mml-insert-multipart t]
+ ["PGP/MIME Sign" mml-secure-sign-pgpmime t]
+ ["PGP/MIME Encrypt" mml-secure-encrypt-pgpmime t]
+ ["PGP Sign" mml-secure-sign-pgp t]
+ ["PGP Encrypt" mml-secure-encrypt-pgp t]
+ ["S/MIME Sign" mml-secure-sign-smime t]
+ ["S/MIME Encrypt" mml-secure-encrypt-smime t]
+ ;;["Narrow" mml-narrow-to-part t]
+ ["Quote MML" mml-quote-region t]
+ ["Validate MML" mml-validate t]
+ ["Preview" mml-preview t]))
(defvar mml-mode nil
"Minor mode for editing MML.")
(defun mml-mode (&optional arg)
"Minor mode for editing MML.
+MML is the MIME Meta Language, a minor mode for composing MIME articles.
+See Info node `(emacs-mime)Composing'.
\\{mml-mode-map}"
(interactive "P")
- (if (not (set (make-local-variable 'mml-mode)
- (if (null arg) (not mml-mode)
- (> (prefix-numeric-value arg) 0))))
- nil
- (set (make-local-variable 'mml-mode) t)
- (unless (assq 'mml-mode minor-mode-alist)
- (push `(mml-mode " MML") minor-mode-alist))
- (unless (assq 'mml-mode minor-mode-map-alist)
- (push (cons 'mml-mode mml-mode-map)
- minor-mode-map-alist)))
- (run-hooks 'mml-mode-hook))
+ (when (set (make-local-variable 'mml-mode)
+ (if (null arg) (not mml-mode)
+ (> (prefix-numeric-value arg) 0)))
+ (gnus-add-minor-mode 'mml-mode " MML" mml-mode-map)
+ (easy-menu-add mml-menu mml-mode-map)
+ (run-hooks 'mml-mode-hook)))
;;;
;;; Helper functions for reading MIME stuff from the minibuffer and
(defun mml-minibuffer-read-file (prompt)
(let ((file (read-file-name prompt nil nil t)))
- ;; Prevent some common errors. This is inspired by similar code in
+ ;; Prevent some common errors. This is inspired by similar code in
;; VM.
(when (file-directory-p file)
(error "%s is a directory, cannot attach" file))
file))
(defun mml-minibuffer-read-type (name &optional default)
+ (mailcap-parse-mimetypes)
(let* ((default (or default
(mm-default-file-encoding name)
;; Perhaps here we should check what the file
"application/octet-stream"))
(string (completing-read
(format "Content type (default %s): " default)
- (mapcar
- 'list
- (delete-duplicates
- (nconc
- (mapcar (lambda (m) (cdr m))
- mailcap-mime-extensions)
- (apply
- 'nconc
- (mapcar
- (lambda (l)
- (delq nil
- (mapcar
- (lambda (m)
- (let ((type (cdr (assq 'type (cdr m)))))
- (if (equal (cadr (split-string type "/"))
- "*")
- nil
- type)))
- (cdr l))))
- mailcap-mime-data)))
- :test 'equal)))))
+ (mapcar 'list (mailcap-mime-types)))))
(if (not (equal string ""))
string
default)))
(goto-char (point-min))
;; Quote parts.
(while (re-search-forward
- "<#/?!*\\(multipart\\|part\\|external\\)" nil t)
+ "<#!*/?\\(multipart\\|part\\|external\\|mml\\)" nil t)
;; Insert ! after the #.
(goto-char (+ (match-beginning 0) 2))
(insert "!")))))
(value (pop plist)))
(when value
;; Quote VALUE if it contains suspicious characters.
- (when (string-match "[\"\\~/* \t\n]" value)
+ (when (string-match "[\"'\\~/*;() \t\n]" value)
(setq value (prin1-to-string value)))
(insert (format " %s=%s" key value)))))
(insert ">\n"))
"Display current buffer with Gnus, in a new buffer.
If RAW, don't highlight the article."
(interactive "P")
- (let ((buf (current-buffer)))
- (switch-to-buffer (get-buffer-create
+ (let* ((buf (current-buffer))
+ (message-options message-options)
+ (message-this-is-news (message-news-p))
+ (message-posting-charset (or (gnus-setup-posting-charset
+ (save-restriction
+ (message-narrow-to-headers-or-head)
+ (message-fetch-field "Newsgroups")))
+ message-posting-charset)))
+ (message-options-set-recipient)
+ (switch-to-buffer (generate-new-buffer
(concat (if raw "*Raw MIME preview of "
"*MIME preview of ") (buffer-name))))
(erase-buffer)
(if (re-search-forward
(concat "^" (regexp-quote mail-header-separator) "\n") nil t)
(replace-match "\n"))
- (mml-to-mime)
- (unless raw
- (run-hooks 'gnus-article-decode-hook)
- (let ((gnus-newsgroup-name "dummy"))
- (gnus-article-prepare-display)))
- (fundamental-mode)
+ (let ((mail-header-separator "")) ;; mail-header-separator is removed.
+ (mml-to-mime))
+ (if raw
+ (when (fboundp 'set-buffer-multibyte)
+ (let ((s (buffer-string)))
+ ;; Insert the content into unibyte buffer.
+ (erase-buffer)
+ (mm-disable-multibyte)
+ (insert s)))
+ (let ((gnus-newsgroup-charset (car message-posting-charset)))
+ (run-hooks 'gnus-article-decode-hook)
+ (let ((gnus-newsgroup-name "dummy"))
+ (gnus-article-prepare-display))))
+ ;; Disable article-mode-map.
+ (use-local-map nil)
(setq buffer-read-only t)
+ (local-set-key "q" (lambda () (interactive) (kill-buffer nil)))
(goto-char (point-min))))
(defun mml-validate ()
(interactive)
(mml-parse))
+(defun mml-tweak-part (cont)
+ "Tweak a MML part."
+ (let ((tweak (cdr (assq 'tweak cont)))
+ func)
+ (cond
+ (tweak
+ (setq func
+ (or (cdr (assoc tweak mml-tweak-function-alist))
+ (intern tweak))))
+ (mml-tweak-type-alist
+ (let ((alist mml-tweak-type-alist)
+ (type (or (cdr (assq 'type cont)) "text/plain")))
+ (while alist
+ (if (string-match (caar alist) type)
+ (setq func (cdar alist)
+ alist nil)
+ (setq alist (cdr alist)))))))
+ (if func
+ (funcall func cont)
+ cont)))
+
(provide 'mml)
;;; mml.el ends here
projects / gnus / blobdiff